a friendly baker carefully measures frosting portions with a large spoon onto two birthday cakes. The baker concentrates intensely to make sure each dollop of frosting is exactly the same size. After adding frosting to both cakes, each one has received precisely the same amount of decoration. Two children wait eagerly on opposite sides of the counter, watching the fair distribution. Both children smile with satisfaction seeing their cakes treated equally. both cakes being decorated to the same degree in the same way